I would say +all is always harmful. The difference between having +all and
not having any at all (or ?all) is that you affirmately, by using +all, tell
the system the email is genuine. If you somehow want to treat all emails as
unspecified or unknown, ergo dont want to reject, but you want to
Good point - thanks for highlighting this, Hans-Martin!
> Am 08.07.2023 um 09:28 schrieb Hans-Martin Mosner via mailop
> :
>
>
> Most likely none of you would consider adding +all to an SPF record a smart
> move, here's another reason why you shouldn't do it:
>
> Google cloud services are be
Most likely none of you would consider adding +all to an SPF record a smart
move, here's another reason why you shouldn't do it:
Google cloud services are being used to spam (ongoing for a long time,
Google doesn't seem to care). What I noticed today is that the spammer is
using domains with S
